unknown device – ACPI/ACPI0004/CPUSCK0 ACPI/ACPI0004/CPUSCK0 on a HP Z420

Customer wanted to deploy XP 32bit on a Z40 machine.
For this machine is a driver pack. I imported this driver in to MDT.

After deploying I had a unknown device – ACPI/ACPI0004/CPUSCK0

I could not find any driver. The device manager show still R0;unknown device”.

Under: Advanced –> Bus Options you will find the setting R0;Legacy ACPI CPU Tables”
This settings is default disabled. Enable it en unknown device is gone!!

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